code: def test_duplicated_paths():
      formats = long_form_multiple_formats("ipynb,py:percent,py:light")
      with pytest.raises(InconsistentPath):
          paired_paths("notebook.ipynb", "ipynb", formats)
  
imports: import os
  import unittest.mock
  import pytest
  import jupytext
  from jupytext.cli import jupytext
  from jupytext.compare import compare
  from jupytext.contentsmanager import TextFileContentsManager
  from jupytext.formats import long_form_multiple_formats, long_form_one_format, short_form_multiple_formats
  from jupytext.paired_paths import InconsistentPath, base_path, full_path, paired_paths
label_desc: Use image node_id 18 for calling a global function with example usage: test_duplicated_paths() without return types